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    CVE-2020-11684

    AT91bootstrap before 3.9.2 does not properly wipe encryption and authentication keys from memory before passing control to a less privileged software component. This can be exploited to disclose these keys and subsequently encrypt and sign the next boot stage (such as the bootloader).

    Published:Sep 14, 2020
    Last Modified:Nov 21, 2024
    EPS:Sep 14, 2020
    EPSS Score:0.00172
    CVSS Score:9.1

    Affected Products

    Vendor
    Linux4sam
    Product
    At91bootstrap

    Exploits

    https://labs.f-secure.com/advisories/microchip-at91bootstrap/https://labs.f-secure.com/advisories/microchip-at91bootstrap/

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-168 Windows ::DATA Alternate Data Stream

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High